US Bridges

I 93 Ramp Lc-N over HWY Nashua ST

Good

Suffolk County, Massachusetts · Leverett Circle Boston · Structure no. B1669168VDOTNBI

Built
2005
20 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
445 ft
3 main spans
Daily traffic
17,900
2024 count
Owner
State
State Highway Agency

About this bridge

I 93 Ramp Lc-N over HWY Nashua ST is a steel continuous box beam or girders - multiple carrying I 93 Ramp Lc-N over HWY Nashua ST in Suffolk County, Massachusetts. It was built in 2005, so it is 20 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17,900 vehicles a day, roughly 4% of them trucks, projected to reach 13,828 by 2031. The structure is 445 ft (135.5 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI 93 Ramp Lc-N
CrossesHWY Nashua ST
LocationLeverett Circle Boston
RouteInterstate 93
Coordinates42.36596, -71.06435
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99.2 US tons
Inventory rating59.4 US tons

Structure

MaterialSteel Continuous
DeckOther
Main spans3
Design loadHS 25 or greater
Structure length445 ft (135.5 m)
Longest span165 ft (50.3 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,900 (2024)
Projected traffic13,828 by 2031
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 Ramp Lc-N over HWY Nashua ST built?

It was built in 2005, making it 20 years old in 2025.

What condition is I 93 Ramp Lc-N over HWY Nashua ST in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does I 93 Ramp Lc-N over HWY Nashua ST carry?

About 17,900 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is I 93 Ramp Lc-N over HWY Nashua ST?

The structure is 445 ft (135.5 m) long with a longest span of 165 ft (50.3 m) and a deck 26 ft wide.

Who owns I 93 Ramp Lc-N over HWY Nashua ST?

It is owned by the State Highway Agency.